# Convert Centimeter to Kilometer (cm to km)

In next fields, kindly type your value in the text box under title [ From: ] to convert from centimeter to kilometer (cm to km). As you type your value, the answer will be automatically calculated and displayed in the text box under title [ To: ].

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Definitions:

Centimeter (abbreviation: cm): is a unit of length in the SI metric system, equal to one hundredth of a metre, centi being the prefix for a factor of 1/100. The centimetre was the base unit of length in the now deprecated centimetre–gram–second (CGS) system of units.

Kilometer (abbreviation: km): is a unit of length in the SI metric system, equal to one thousand metres (kilo- being the prefix for 1000). It is now the measurement unit used officially for expressing distances between geographical places on land in most of the world countries.

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## How to Convert Centimeters to Kilometers

### Example: How many kilometers are equivalent to 23.78 centimeters?

As;

1 centimeters = 1.0E-5 kilometers

23.78 centimeters = Y kilometers

Assuming Y is the answer, and by criss-cross principle;

Y equals 23.78 times 1.0E-5 over 1

(i.e.) Y = 23.78 * 1.0E-5 / 1 = 0.0002378 kilometers

Answer is: 0.0002378 kilometers are equivalent to 23.78 centimeters.

### Practice Question: Convert the following units into km:

N.B.: After working out the answer to each of the next questions, click adjacent button to see the correct answer.

( i ) 29.58 cm

( ii ) 81.12 cm

( iii ) 56.38 cm

References